Patent Assignment
Reel/Frame 015659/0254
Assignment of Assignor's Interest
Recorded: 2004-04-16
Pages: 8
Assignors
AMUNDSEN, LASSE
Executed: 2004-03-12
HOLVIK, EGIL
Executed: 2004-03-12
ROBERTSSON, JOHAN
Executed: 2004-03-12
Assignee
WESTERNGECO L.L.C.
10001 RICHMOND AVENUE, HOUSTON, TEXAS, 77042
Covered Property
(1)
Method of and an Apparatus for Processing Seismic Data
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 13, 2004
From: HOLVIK, EGIL
To: WESTERNGECO L.L.C.
Reel/Frame 015795/0318 →
Nunc Pro Tunc Assignment
Dec 27, 2019
From: WESTERNGECO L.L.C.
To: REFLECTION MARINE NORGE AS
Reel/Frame 051428/0580 →
Change of Address
Jan 20, 2020
From: REFLECTION MARINE NORGE AS
To: REFLECTION MARINE NORGE AS
Reel/Frame 052109/0147 →